Home / 10,405,173.36-15,613,472.32-5,288,044.56

Finding the Fourth Proportional to 10,405,173.36, 15,613,472.32 and 5,288,044.56

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Solution

The fourth proportional to 10,405,173.36, 15,613,472.32 and 5,288,044.56 is: 7,934,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,173.36 : 15,613,472.32 = 5,288,044.56 : x
  2. Step 2: Convert to fraction form
    10,405,173.36/15,613,472.32 = 5,288,044.56/x
  3. Step 3: Cross multiply
    10,405,173.36x = 15,613,472.32 × 5,288,044.56
  4. Step 4: Simplify right side
    10,405,173.36x = 82,564,737,364,486.58
  5. Step 5: Solve for x
    x = 82,564,737,364,486.58/10,405,173.36
  6. Step 6: Final answer
    x = 7,934,969.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.